Grandjean Sarl

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La Chaux-de-Fonds, CH

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Patents Grantslast 30 patents

Information Patent Grant
Device for actuating a mechanism for a watch case of non circular s...
- Patent number 6,247,841
- Issue date Jun 19, 2001
- Grandjean Sarl
- Francis Albert Erard
- G04 - HOROLOGY
Information Patent Grant
Clasp with unfolding buckle
- Patent number 5,699,590
- Issue date Dec 23, 1997
- Grandjean S.A.
- Francis Albert Erard
- A44 - HABERDASHERY JEWELLERY

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